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IAT 2023 Biology Previous Year Questions with Detailed Solutions 

Vivek NISER | SciAstra
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25 окт 2024

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Комментарии : 127   
@SciAstra
@SciAstra 5 месяцев назад
1. VIKRAM 1.0 Batch 2025- courses.sciastra.com/courses/481103 2. HOMI Batch 2026- courses.sciastra.com/courses/481249 3. IAT & NEST 2024 Complete Crash course Combo- courses.sciastra.com/courses/469306 4. IAT 2024 Complete Crash Course- courses.sciastra.com/courses/469293 5. NEST 2024 Comaplete Crash Course- courses.sciastra.com/courses/469295 6. IAT & NEST 2024 Rescue Combo- courses.sciastra.com/courses/469360 7. IAT 2024 Rescue Course- courses.sciastra.com/courses/469311 8. NEST 2024 Rescue Course- courses.sciastra.com/courses/469313 9. Vikram 2.0 (IAT & NEST 2024) : voaaf.on-app.in/app/oc/379681/voaaf?Dcopy-link%26Dtutor-course-referral%26Dcourse-overview-app SciAstra Support- Call- 08069409826 WhatsApp- 7570020363
@spideyman-k7r
@spideyman-k7r 5 месяцев назад
bhaiya plz make oneshot bio topics with high weightage plz
@chandanchauhan7512
@chandanchauhan7512 5 месяцев назад
ha bahi
@chandanchauhan7512
@chandanchauhan7512 5 месяцев назад
@@KumarHarshRaj Ha Bhai
@ajaypalsinghrathore6852
@ajaypalsinghrathore6852 5 месяцев назад
Ha
@piyushqjsjs
@piyushqjsjs 5 месяцев назад
Bhai maths vale bio nhi kar payenge bhot rough ati hai throat bhot Jo aye vo kar do baki 3 sections se uthao .
@vaishnaviwadnere861
@vaishnaviwadnere861 5 месяцев назад
Sir also want 2019,20,21,22 plz it will be more helpful to us 🙏🙂
@HarshitSaosakade
@HarshitSaosakade 5 месяцев назад
Upvote
@krishnendubhattacharya
@krishnendubhattacharya 4 месяца назад
but sir for the question 4, its actually late prophase right? So, does it come under prophase of metaphase ?
@study_with_your_passion
@study_with_your_passion 4 месяца назад
Metaphase do not have a prophase. humare track pents me ek rassi hoti hai (Nara) and uska koi kam tab tak nehi hota jab tak hum use pehen na le and jub tak hume ye na lage ki pent thora dheela ho rha hai....usi tarah se prophase me centromere to hota hai...but wo jaakar sirf attach hota hai...uska koi significance waha nehi hai....but metaphase me it has to pull the chromosomes towards the central plane. so no centromeres means it will be disturbed
@Adityaraj11223
@Adityaraj11223 5 месяцев назад
I had started saving money to buy the course, and this morning I saw that the price of the course had become Rs 9000, I had saved Rs 8000 with great difficulty.
@shyamupadhyay6653
@shyamupadhyay6653 5 месяцев назад
So 😢 sad
@SeriousStudent603
@SeriousStudent603 4 месяца назад
since centrioles are made in S phase & duplicated in prophase. 5:43 Q4) ans shud be Prophase , not Metaphase. can you pls explain ?
@NannoLove
@NannoLove 4 месяца назад
You are right I also got confused everywhere else even ncert says prophase. Key events mentioned formation of microtubule apparatus
@AmbienceNexus
@AmbienceNexus 4 месяца назад
the question is controversial .. you could see the vedantu imp biology qs for IAT in that vid the sir explains why the answer should be prophase
@SeriousStudent603
@SeriousStudent603 4 месяца назад
@@AmbienceNexus ok. thanks a lot for the info!
@upprrdimensions892
@upprrdimensions892 Месяц назад
Microtubules are formed in metaphase
@sarveshkatkar
@sarveshkatkar 5 месяцев назад
At 5:47 the answer should be prophase as spindle formation occurs at that stage
@dakshyadav2715
@dakshyadav2715 5 месяцев назад
Obviously right....
@sarveshkatkar
@sarveshkatkar 5 месяцев назад
Yes but sir has marked it wrong so I was just informing
@xyzxyz_xyz
@xyzxyz_xyz 5 месяцев назад
whyyyy microtubule formation occurs in metaphase
@Viyogi55
@Viyogi55 5 месяцев назад
Yes
@themusicfactory940
@themusicfactory940 4 месяца назад
​@@xyzxyz_xyzlook into ncert. Microtubule formation occurs in prophase stage for the first time
@Prathamesh_Taktode_07
@Prathamesh_Taktode_07 5 месяцев назад
Nice teaching and explanation 🤗
@SANJANAKUMARI-ns9me
@SANJANAKUMARI-ns9me 5 месяцев назад
Please bring this for physics as well.
@JASJEETKALSI
@JASJEETKALSI 5 месяцев назад
Thnks uh so much sir .....this is most awaited LECTURE 🎉
@Bani165
@Bani165 5 месяцев назад
Sir please provide detailed solution for all previous years pyq's
@shivammirok6925
@shivammirok6925 5 месяцев назад
Bro they only sell their lectures 😅
@HarshitSaosakade
@HarshitSaosakade 5 месяцев назад
8:55 iam confused with answer (autum+spring right?) ( not! autumn and sap!)
@Sohan_21
@Sohan_21 5 месяцев назад
Actually answer will be *"option a"*. Autumn wood is also called "late wood", and spring wood is also called "early wood". It is mentioned in NCERT page 96.
@HarshitSaosakade
@HarshitSaosakade 4 месяца назад
@@Sohan_21 thankx yarr
@upprrdimensions892
@upprrdimensions892 Месяц назад
Me too
@ajaypalsinghrathore6852
@ajaypalsinghrathore6852 5 месяцев назад
Plz make one shot for easy to grab marks topics in biology
@shivachauhan1823
@shivachauhan1823 5 месяцев назад
Bhaiya mai to jee aspirant hun 😢
@rekhavmenon1507
@rekhavmenon1507 5 месяцев назад
Please bhai JEE hi attempt karo competition math badhao
@shivachauhan1823
@shivachauhan1823 5 месяцев назад
@@rekhavmenon1507 bhai biology nhi aati 😭
@lifeisacurse637
@lifeisacurse637 5 месяцев назад
@@shivachauhan1823 to mat do IAT
@azibghadi
@azibghadi 5 месяцев назад
​@@lifeisacurse637 tum bhi mat doo please 🙏
@lifeisacurse637
@lifeisacurse637 5 месяцев назад
@@azibghadi well if i didn't had a dream i wouldn't have either? so kindly shut tf.
@Ps_10_10
@Ps_10_10 5 месяцев назад
THOSE WHO HAD DROPPED BIOLOGY AFTER 10TH 😔 😔
@Freedom83125
@Freedom83125 4 месяца назад
And those who dropped maths after 10th like me:🤡💀
@techboys6603
@techboys6603 5 месяцев назад
Bhaiya Mera school 2.00 baje tak chalta hai Mai Kal ke orientation session me nhi attend karsakta hu.sorry Bhaiya
@SciAstra
@SciAstra 5 месяцев назад
Koi baat nhi recorded session mil jaega
@nxvn18
@nxvn18 5 месяцев назад
Bro, are the classes in IAT CRASH COURSE in Hindi or English?
@amianj2.O
@amianj2.O 4 месяца назад
Maximum option -A is right 💗
@SeriousStudent603
@SeriousStudent603 4 месяца назад
since centrioles are made in S phase & duplicated in prophase. 5:43 Q4) ans shud be Prophase , not Metaphase. can you pls explain ?
@KaustubhTiwari-n7v
@KaustubhTiwari-n7v 5 месяцев назад
bhayia please Test series nikal doo IAT ka....Without course....Chahe paid hi rakhna
@piyushqjsjs
@piyushqjsjs 5 месяцев назад
Bhai maths vale bio nhi kar payenge bhot rough ati hai throat bhot Jo aye vo kar do baki 3 sections se uthao .
@NamanKumar-n1u
@NamanKumar-n1u 5 месяцев назад
Bhaiya hamra orientation session miss ho jayega kyuki ham 1.00 school me rahenge.esliye sorry 😢
@kpramod018
@kpramod018 5 месяцев назад
Bhaiya mera kal ka orientation session Miss ho jayega kyuki mujhe school se Ghar aate aate 2.00 baj jaate hai .
@movie2zip
@movie2zip 5 месяцев назад
Hlw bhiya maine form fill karte time 12th marksheet abhi meri ayi nhi hai to Maine 12th result ki picture upload kar Diya koi dikkat to nhi hogi na agar hogi to use kaise thik kare❤
@piyushqjsjs
@piyushqjsjs 5 месяцев назад
Bhai maths vale bio nhi kar payenge bhot rough ati hai throat bhot Jo aye vo kar do baki 3 sections se uthao .
@Doremon13425
@Doremon13425 4 месяца назад
Q-6 Ans-1 not -4
@nanduscreativecorner342
@nanduscreativecorner342 5 месяцев назад
Completed ✨
@dharamshiva3389
@dharamshiva3389 5 месяцев назад
12th me Biology nahi thi, to kya one month me bio ka kuch part kia ja sakta hai IAT ke liye
@agitatedSilver-iq4uo
@agitatedSilver-iq4uo 5 месяцев назад
Mai to adv ke baad sirf zoology ratlunga aur pyq laga lunga 11th and 12th ka
@ALMAS2109
@ALMAS2109 5 месяцев назад
Bro pls make a DETAILED video on all type OF COURSES provided in IISERS and what we can do after it pls
@niyatipal2626
@niyatipal2626 5 месяцев назад
Bhaiya kya is saal bhi iat me purane ncert se questions aayenge?
@SeriousStudent603
@SeriousStudent603 4 месяца назад
Q 4 , 14 Q13
@dakshyadav2715
@dakshyadav2715 5 месяцев назад
Not right explanation.. Not satisfied😒😒
@neerajazad123
@neerajazad123 5 месяцев назад
Why last Q. You choose xx^c for male
@imnothingbutpossible
@imnothingbutpossible 5 месяцев назад
Bhaiya, Please launch mock course and pyq questions of IAT, NEST and also KVPY to practice some tough problems 🙏
@bishakadiary
@bishakadiary 5 месяцев назад
Need more pyq session ❗
@anweshashil7882
@anweshashil7882 5 месяцев назад
Is this for msc addmission test??
@DigitalDragon24
@DigitalDragon24 5 месяцев назад
No for BS-MS Program
@gawk-fq1vc
@gawk-fq1vc 5 месяцев назад
Bhaiya annual ring wala question ka answer spring wood aur late wood hoga. 💀
@nidhishukla-ty2tn
@nidhishukla-ty2tn 5 месяцев назад
Ikrrrrr
@surabhivarshney4484
@surabhivarshney4484 5 месяцев назад
i think correct ans of ques 6 should be (a)
@allinone-pw5pw
@allinone-pw5pw 5 месяцев назад
Bhaiya ab jee advanced se iiser me admission band ho Gaya hai kya
@r.k.gaming5462
@r.k.gaming5462 5 месяцев назад
thank u
@reenajyani04
@reenajyani04 5 месяцев назад
Please tell me is IISc possible in nxt 40 days😢. I'm gonna be very dedicated now😤😤
@chandanchauhan7512
@chandanchauhan7512 5 месяцев назад
ha reenjyani
@anilbare2154
@anilbare2154 5 месяцев назад
Plz bhaiya request you take the one shot chapter lectures nd notes for iat exam bhaiya And nest exam 😢
@azibghadi
@azibghadi 5 месяцев назад
Sir i want only Mock test. Which taste series whold be batter ? I need full syllabus taste.
@Adityaraj11223
@Adityaraj11223 5 месяцев назад
mai paisa jama karne laga tha course kharidne ke liye ,aur aaj subah dekha toh course ka price 9000 ho gaya ,maine bahut muskil se 8000 bachaye the
@Wonderlusi-p2e
@Wonderlusi-p2e 5 месяцев назад
Bhaiya kya exam centre me laptop provide Kiya jayega ?
@binitakalitadihanam
@binitakalitadihanam 4 месяца назад
Computer rehta hai
@vaishnavipawara3883
@vaishnavipawara3883 5 месяцев назад
Kya hume reduced syllabus bhi karna hoga
@ShailuMC
@ShailuMC 5 месяцев назад
Is that mandatory to clear jee advance to apply for iiser or niser? Do reply this
@Sohan_21
@Sohan_21 5 месяцев назад
Nope
@Jayant_ak47
@Jayant_ak47 5 месяцев назад
Bhaiya yeh har question ka answer 1 hi kyu hai
@harshitasaharan2294
@harshitasaharan2294 5 месяцев назад
Kyuki iat walo ne jo pyq diye h unki answer key dene ki bajae har que ka ans 1 provide karwaya h
@warm_orange
@warm_orange 5 месяцев назад
Bhaiiyaa Is sister Okay Now??
@gawk-fq1vc
@gawk-fq1vc 5 месяцев назад
Bhaiya 4 log hi to heterozygous honge kyuki homozygous for sickle cell amaenia to survive hi nahi kar paenge
@rashmiranjandas2466
@rashmiranjandas2466 5 месяцев назад
Bhai agar nest me math me kuch question attempts nahi karu to selection nahi hoga kya
@I.am.the.ARC1722
@I.am.the.ARC1722 5 месяцев назад
Bhaiya kya iiser ya niser mein astrophysics aur nuclear physics subject available hota h???❤❤ Plzzz tell bhaiya i am only dependent on sciastra 😢 Love your videos
@vaishnaviwadnere861
@vaishnaviwadnere861 5 месяцев назад
Muze lagata hai ye chahte hi nahi the bacche aage paper solve kare sab ke answer option 1st hi hai starting main 😅😑🤔btw lecture bohot sahi tha thank buddy💟
@moinakghanty-xz7gb
@moinakghanty-xz7gb 5 месяцев назад
Bro this PDF is provided by iat officials.... Sciastra haven't designed this pdf
@vaishnaviwadnere861
@vaishnaviwadnere861 5 месяцев назад
Okay
@RushikeshKarad2244
@RushikeshKarad2244 5 месяцев назад
Sir pyq fier se aate ye kya
@Tamanna.0272
@Tamanna.0272 5 месяцев назад
Bhaiya nest 2024 ke liye videos kb aayengi????.
@imperfect-vd6ov
@imperfect-vd6ov 5 месяцев назад
Bhaiya nest 2024 ke syllabus par video banaiye , bahut confusion hai .
@srijitarana
@srijitarana 5 месяцев назад
Bhaiya mock test series kab ayega?
@dalytvshows7551
@dalytvshows7551 5 месяцев назад
DIPLOMA PASSOUT KE LIYE BEST RESEARCH YA SCIENTIST INSTITUTE FOR DIPLOMA STUDENT
@SejalFalot
@SejalFalot 4 месяца назад
Iacs Kolkata pcb ke bhii pyqs bhii karva do
@gauravvv35
@gauravvv35 5 месяцев назад
plz for mpc
@sulakshyasarkar
@sulakshyasarkar 5 месяцев назад
Bhaiyaa ye har question ka option "a" hi kyu aa raha hai????🙂🙂har sawal ka ans option a kaise!!!
@shreyangshichakraborty31910
@shreyangshichakraborty31910 5 месяцев назад
How every answer is a?
@kkhealthandwealthservices4010
@kkhealthandwealthservices4010 4 месяца назад
Exactly muze bhi yahi question puchna tha 😮
@SeriousStudent603
@SeriousStudent603 4 месяца назад
since centrioles are made in S phase & duplicated in prophase. 5:43 Q4) ans shud be Prophase , not Metaphase. can you pls explain ?
@suryakantibehera5583
@suryakantibehera5583 5 месяцев назад
Bhaiya please nest ke pyq questions k solution vdo b banayi ye
@rohandhiman9759
@rohandhiman9759 5 месяцев назад
Why in IAT 2023 biology,every correct option is A...
@kirangowda880
@kirangowda880 5 месяцев назад
A detailed about IIT MADRAS BS medial engineering
@NaveenRajak-vm4rg
@NaveenRajak-vm4rg 5 месяцев назад
Sir form me permanent address issue bta rha hai
@aaryashrishrimal6418
@aaryashrishrimal6418 4 месяца назад
Can anyone please tell from which chap is this qs 22:30
@SeriousStudent603
@SeriousStudent603 4 месяца назад
since centrioles are made in S phase & duplicated in prophase. 5:43 Q4) ans shud be Prophase , not Metaphase. can you pls explain ?
@Hobbies....0
@Hobbies....0 5 месяцев назад
Bhaiya mera class 12th state board me 60% nehi ban rahe sayad 59 ayenge kya me nios se exam deke iat ke counseling me eligible hunga
@ShubhamBharti-u7z
@ShubhamBharti-u7z 5 месяцев назад
Hello sir I scored 74.8 in 12th bord is it matter for PhD in abroad top universities please reply please
@anjalichauhan5884
@anjalichauhan5884 5 месяцев назад
Please provide free content for iat ......please sir
@arintakdas2006
@arintakdas2006 4 месяца назад
Bhaiya wholesale a lagao pyq s me
@Dracula07.
@Dracula07. 5 месяцев назад
if any neet aspirants is watching can u pls tell were these ques neet level is it sufficient if i solv allen neet modules
@anu_shree100
@anu_shree100 5 месяцев назад
yess solving neet level questions will surely help you ,however you should focus more on concept building .ratne se kaam nii chalega,conceptual question poochte hai yha par
@janvigambhir5285
@janvigambhir5285 5 месяцев назад
Please provide free content in yotube for nest exam for physics chem and biology
@karritarakesh7151
@karritarakesh7151 5 месяцев назад
Anna isi bsds exam code BSA ani echadi danikosam chepuh.kind request
@jaju8618
@jaju8618 4 месяца назад
14/15 ka ans option A hai
@banajsingh1231
@banajsingh1231 5 месяцев назад
Bhaiya can i do bs ms in physics from IISER or NISER if i have PCB in class 12th
@MayankChandra-pf1ez
@MayankChandra-pf1ez 4 месяца назад
aaaaadaaaaaaaaa
@ViratKhaliOfficial
@ViratKhaliOfficial 5 месяцев назад
QUESTION ANSWER ARE GIVEN WRONG MORE THAN 4 QUESTION WR😢NG
@Akash7-v5i
@Akash7-v5i 4 месяца назад
Why all are a?
@aniketyadav9197
@aniketyadav9197 5 месяцев назад
Maximum ka answer A option tha kuch ajib nhi hai 😅😅😅😅
@shristi476
@shristi476 5 месяцев назад
Physics 😢
@Freedom83125
@Freedom83125 4 месяца назад
So u r a bio student i can guess 🗿
@shristi476
@shristi476 4 месяца назад
@@Freedom83125 hehe ryt
@KrishnaSharma-wg6rc
@KrishnaSharma-wg6rc 5 месяцев назад
Sir fees is too much for iat crash course can I get. Some compensation sir 🙏🙏🙏🙏🙏pleas sir 🙏🙏🙏🙏🙏
@Adityaraj11223
@Adityaraj11223 5 месяцев назад
I had started saving money to buy the course, and this morning I saw that the price of the course had become Rs 9000, I had saved Rs 8000 with great difficulty.
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